pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4622-10282_Quick_Step_in_Tekeli.ps) >>/Users/jc/w/tmp/Tune-4622-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10282_Quick_Step_in_Tekeli.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-4622-10282_Quick_Step_in_Tekeli.abc 976 ABC music file with the extracted tune(s)
Tune-4622-10282_Quick_Step_in_Tekeli.ps 36400 PostScript
Tune-4622-10282_Quick_Step_in_Tekeli.txt 976 Plain-text file with the extracted tune(s)
Tune-4622-get.log 5030 Log file, useful mostly for debugging
Tune-46222-get.log 4173 Log file, useful mostly for debugging
These files should be available for 24 hours.